WO1998029183A1 - Method for organising mass exchanges and device for realising the same - Google Patents

Abstract

The method and device of the present invention may be used for implementing mass-exchange processes in liquid-liquid systems. The method of this invention essentially comprises feeding a non-wetting liquid flow between two hydrophobic membranes and further passing said liquid flow through the above-mentioned membranes and on the surface of a polymeric material. This polymeric material comprises a system of capillaries which are only open at the surface and is located between said membranes. The device for performing mass exchanges between two liquids that do not mix together includes a mass-exchange chamber in the form of two membranes separated by a polymeric material that cannot be wetted by a phase which is incapable of wetting said membranes. This polymeric material comprises a system of capillaries which are only open at the surface and exhibit a minimal variation of the specific inter-phase contact surface.

Description

\ УΟ 98/29183 ΡСΤЛШ97 / 00413

SPΟSΟB GΑΗIZΑCII ΜΑSSΟΟBΜΕΗΑ AND SERVICES FOR ΕГΟ УСУСΕΕСΤΒ ЛΕΗИЯ

Area of technology

The invention is subject to the occurrence of mass exchange processes in

LIQUID-LIQUID SYSTEMS WITH USE

Applicable for separation or selective separation of a substance, and also for

the directed mass transmission of substances from one phase to another for the purpose of

interest rate.

BACKGROUND OF THE INVENTION For the implementation of mass exchange processes between two immiscible

fluids using hydrophobic membranes are known

VARIOUS SCHEMES: METHODS OF MEMBRANE EXTRACTION (see: S.Yu. Ivanovo, ,.Β.

Αφanasiev, G.Α. Yagodin. The results of science and technology. Geochemistry, τ.13.

Moscow, 1985), extraction using hydrophobic membranes in the form of a floor

Volokon (Βаскесск

her §1 υ.δ .§ονegшηеη1; hesegs

Geρδδ. 1980,7.ΡΒ 80-110430 ρ. 1174).

All the widespread cases of mass transfer efficiency are limited by the diffusion of substances through the membrane to the section of the exchanging phase and

the relatively small area of inter-contact contact in a single

The volume of mass-exchange devices. Reduced diffusion limitations

Simultaneous increase in interconnectivity and provision of security

The possibility of upgrading the phase in mass exchange is achieved in the process

There is a process of mass transfer between a liquid and a gas or two 2 non-miscible liquids, where the flow of non-wetting liquids releases

between two membranes, and a stream of gas or wetting liquid releases

through these membranes. At the same time, between the membranes there is a simple

material with sizes of 0.003 - 1.00 μm, having a system of instant channels and non-wettable phase, which is not wetted

membranes. This method of interchange is based on the manifestation of capital.

EFFECTS IN A PRESSURE ENVIRONMENT WITH TWO APPROPRIATE TYPES OF PROOF, OF THE SIGNIFICANTLY DIFFERENT SIZES. The presence of two types gives you the opportunity

The simultaneous introduction of two immiscible phases. Polar phase - water

The device fills up and moves at the front of the hydraulic system,

and a gas or non-liquid liquid phase is replaced by micro-hydraulic

material. What is the maximum pressure of non-wetting fluid in

mass exchange is supported in such a way as to distinguish between it

the magnitude and magnitude of the minimum pressure of the other phase did not increase

the capillary pressure arising in the membrane and the material filling the intermembrane pressure. (Patent of Russia _CH ° 2023488., 1994)

Bulk exchange equipment for the implementation of the

The method includes a mass-exchange camera with membranes from an industrial system

material, non-wettable, one of the exchanging phase, the resultant and

The output of exchanging phases is exchanged in a mass exchange camera.

in the form of two membranes, between the two is located the layer of the front end

a material with a system of indirect channels of a raw form, non-wettable one of the phases. 3

The facilities and equipment used in this invention are implemented in accordance with the invention.

mass transfer between two immiscible liquids is the most practical

is similar to the invention.

With this technical solution, the efficiency of mass transfer is quick

Shares the area of the inter-contact contact area exchanging phase κ

the volume of wetting liquid in mass exchange,

It is limited due to the fact that the main volume of wetting liquid is kept

INTERNAL COLLECTIONS FOR PRODUCT MATERIALS AND PRACTICAL DOES NOT PARTICIPATE IN THE PROCESS

mass transfer due to the lack of interoperability of interdisciplinary contact. Also not

excluding the presence in the proprietary material of hidden deposits, which are

Prevents the addition of wetting liquid in the mass exchange chamber. There is, on the other hand, a material in cylinders with different diameters from 0.03 to 1.0

UMF is not suitable for non-wetting fluid in

mass exchange chamber and, correspondingly, a substantial difference in leaching

it from the mass exchange chamber, which worsens the efficiency of the mass exchange

προο process.

A further object of the invention is to increase the efficiency

mass transfer due to the implementation of the process of mass transfer only on the foreign side

minimum material, having a minimum dispersion with a specific turnaround

intercontact and reduction of indoor and outdoor volume

exchanging phase. The purpose of the invention is to develop a device,

Allowing for the implementation of the proposed method of implementation

mass transfer for analytical purposes. \ УΟ 98/29183

4

The flow of non-wetting liquid passes between the two membranes, and

The flow of wetting liquid passes through this diaphragm, between

The last to accommodate the smallest material having a system of modern

capillaries that are not wettable by the same phase, which do not wet the membranes, and

having a system of well-known channel channels, but the maximum

non-wetting fluid pressure in the mass transfer medium is maintained

so that the difference between its magnitude and the magnitude of the minimum pressure

the other phase did not affect the pressure rising in the membranes

and material filling in the inter-membrane space. Π πρOffer

and the main disadvantages of the well-known technical solutions have been removed.

Existence of a primitive material of the system is only for advanced processors

In general, the efficiency of the mass exchange process is effective.

Since there is no capillary for mass transfer and is correspondingly increasing

The area of intercontinental contact to the volume of wetting fluid in

mass exchange camera. The minimum distribution of interdisciplinary transfers

The contact improves the kinetics of the mass-exchange process, and the equilibrium of the flow

the wetting liquid does not blur the material in

mass exchange camera. Уль The result of equilibrium equilibrium

The efficiency of mass transfer, shared by the speed of the separation and the discharge of substances from the border of the section, is increasing.

Referring to FIG. 1, a schematic diagram of the proposed process and device is provided.

The conditions for the mass transfer are as follows. Non-wetting fluid

Phases under pressure Ρ1 (Ρ1> Ρ2) are released through the channel system,

Developed in the case of a hydraulically available material, concluded between \ ν

5 hydrophobic membranes 2. Κ the outermost one of the membranes

Conducts two of the wetting fluid wetting materials under pressure ΡЗ (ΡЗ> Ρ4). For all this, mass-exchanging support is supported.

excess pressure of non-wetting liquid phase, i.e. Ρ2> ΡЗ. Before action

pressure differential wetting the membrane liquid phase of the investigation

Comes through a frontal diaphragm, capillary obstruction

which is compatible with the membranes of a hydraulic material that has channels for

non-wetting fluid, and direct contact with the diaphragm. Πρand channels

this remains filled with a non-wetting membrane with a liquid phase. Process

mass exchange takes place throughout the entire hydrological process of hydraulics

Material In this case, the whole wetting part is involved in mass transfer

fluid.

Figure 1 is also shown in the basic scheme of the proposed invention.

device. The main unit of the device is the mass exchange camera. Β

a mass exchange chamber has installed hydrophobic membranes 2.

Intercom 1 is filled with a user-friendly material that has

SYSTEM OF SIMILAR OPPORTUNITIES OF CAPILLA. Β hydroponic material

Channels of the private field and the horizontal section of the channel have been improved.

The other components of the device for their intended purpose are similar to those of the manufacturer. DEVICES

equipped with collectors for equip- ment installation or

Equivalent phase outlet. Unit 3 and 4 for non-wetting

hydrophobic fluid materials; collectors 5 and 6 are suitable for wetting fluids; 7 are for regulating the wetting and

non-wetting liquids at the outlet and entrance of the mass exchange chamber. Immediately 6 Reacting to the pressure of the wetting fluid and non-wetting fluid

membrane, for example manometer 8.

The proposed device operates the following way.

After collector 5, a stream of wetting liquid is introduced into the unit.

After filling in the channels in the intermembrane space 1 and free volumes

input 5 and output 6 collectors, user-friendly visual support

gas inlet at the outlet of collector 6, through collector 3

A non-wetting fluid is supplied with pressurized fluid

lower pressure at the outlet of the collector.

Necessary conditions for the implementation of a massively exchangeable mass

The process of changing the flow rate of the exchanging phase is carried out with

By adjusting the pressure at the outlet of the mass exchange chamber.

Compared with the standard and its analogs, the claimed method is in possession of a new

with the essential essentials. Β selected in the quality category

mass exchange between immiscible phases occurs between two

membranes in a polimernom material, which has a mean radius in

in the range 0.03-1 μm, the flow of wetting fluid moves at the speed of

Alternative material, since it has such a way and does not have a turnaround

intercontinental contact.

With the proposed method of mass transfer, there is exclusively

Opportunities for alternative material, which has a system for quick recovery.

With this wetting fluid flow, it will only move

κ π ил ρ ρ The general scheme of the existence of the mass-exchange process is unknown and by this means the claimed method satisfies the “novelty” criterion. 7

For the implementation of the process, the material is concluded between the two processes

membranes, there is a system of only large accessory capillaries that have

the smallest dispersal with the special turnaround of inter-contact contact. This condition

is indispensable for the implementation of the proposed method. Indicated

The terms and conditions agree on the terms and conditions of the claimed method, satisfying the criteria

"material differences".

Newly Owned Essential Items Are Owned and Offered

device. With this device, the mass-exchange camera is equipped with hydrophobic

with simple membranes, between the hydraulic materials there is a hydraulic material,

having a system of only fast returning capillaries having

the minimum dispersion with a specific turn-over of inter-contact contact. By ποτοκ

Wetting liquid is directed only to large volumetric cylinders. Similar

The mass transfer camera is unknown and, therefore, the same is claimed.

the device satisfies the "novelty" criterion.

NOTE 1: Demonstration of efficiency and stability of the customer

system and equipment in the liquid-liquid system more extraction is possible

Industrial products in the industrial sector for the purpose of

The division of water in the water. Solving a fixed task is a continuous task

The use of a device for the use of a device for the use of a product and the use of a device and a device for the use of the product and its use

EXISTENCE. The separation of food was carried out by the method

Infrastructure (ISS 9377-2) and the fluent method involved in and included in the State Register PDF 14.1: 2: 4 Ν 35-95. Experiences

Used with mass storage devices in the form of blocks, 8 of the following equipments and utilities, which is a direct method.

Units were manufactured using a multi-part membrane.

with an average radius of 0.3 μm and a thickness of 0.15 mm. Гид Qualitative Hydro

The material that fills the inter-membranous equipment was used in general in both versions. Β device-average π size π π в в

The pre-loaded panel was 0.5 µm, the size was pre-charged and this

made in the middle 0.25mm. the proposed method and the device was used in the form of granules with an average size of 0.25 mm without internal

πορ. The size of the capillary on the rotational speed was 0.3 microns in average

Extraction of hexane by-products that are consumed in water, using

Units of common types were used in a single investigation with the help of

Mock-up, assembled for scheme 1. Fig. After collector for wetting

HYDRAULIC MATERIALS FOR LIQUID FILLED ALL OVER VOLUME

mass exchange chamber of hexane, the filling ended with the moment

preventing the release of gas in the flow of hexane. Then enter and exit

The collectors for Hexan were sealed by electromagnetic valves and through

A collector for non-wetting fluid was supplied with distilled water.

Flushing a mass-exchange camera ended with the absence of a droplet

hexane in the outgoing water. As soon as you get out of the chamber of Hexan

The quantity of hexans remaining in the mass exchange is shared.

Г Convenient mass-exchange devices through the relevant

Collectors in the quiescent mode in the process are supplied with two pumps of the hexane and water unit, which contains the non-food product. After extracting hexans

It falls into the handset, and the cigal is registered by analysis. ν

9

SPEED OF WATER DROPPING OF WATER IS SELECTED TO NOT INTEGRATE FROM THE PHASE

Mostly, they were in an organic phase - hexane in general mass exchanges.

Лица Tables χ 1, 2 The results received are received, which are delivered.

comparison of the efficiency of the processes of mass transfer in the water-oil system -

hexan. Efficiency management system for industrial processes

by methods, the value of the analytic signal of inactive products in

Hexans after extraction. For the same type of mass exchange units, the volume of wetting liquid, in this case, hexane,

The proposed device is ten times less than in the device-appliance.

The decrease in the intensity of the maximum analytic signal (table _CH ° 2) for

device in comparison with the claimed is associated with a different volume

hexane when washing off food products from the mass exchange unit (see table 1).

This is affected by the sharing of small concentrations of inert water in the water,

where the analytical signal when using the unit is located at

outside of the city. On the basis of the results, it is possible to conclude that

EFFICIENCY OF BULK EXCHANGE PROCESSES AND USE OF USED

The device and the device in the liquid-liquid system are essentially larger than in the case of a process.

\ νθ 98/29183 ΡСΤЯШ97 / 00413

10

Table 1. Conditions for the implementation of the experiment.

Table 2. Comparison of mass transfer efficiency and extraction

inert water from hexane in the proposed device and device

rivals.

Claims

\ νθ 98/29183 Ρ11Φορмула изοбρеτения

1. ╨í╧Ç╬┐╤ü╬┐╨▒ ╬┐╤ü╤â╤ë╨╡╤ü╧ä╨▓╨╗╨╡╨╜╨╕╤Å ╨╝╨░╤ü╤ü╬┐ ╬┐╨▒╨╝╨╡╨╜╨░ ╨╝╨╡╨╢╨┤╤â ╨┤╨▓╤â╨╝╤Å ╨╜╨╡╤ü╨╝╨╡╤ê╨╕╨▓╨░ ╤Ä╤ë╨╕╨╝╨╕╤ü╤Å ╨╢╨╕╨┤╬║╬┐╤ü╧ä╤Å╨╝╨╕, ╨▓╬║╨╗╤Ä╤ç╨░╤Ä╤ ╨╕╨╣╨╕╨╣ ╧Ç╬┐╨┤╨░╤ç╤â ╧Ç╬┐╧ä╬┐╬║╬┐╨▓ ╬┐╨▒╨╝╨╡╨╜╨╕╨▓╨░╤Ä╤ ╨╕╧╨╕╧╨╕╧╤╤ ╧å╨░╨╖ ╨▓ ╬┐╨▒╤è╨╡╨╝

╨╝╨░╤ü╤ü╬┐╬┐╨▒╨╝╨╡╨╜╨╜╬┐╨│╬┐ ╧Ç╧ü╬┐╤ü╧ä╧ü╨░╨╜╤ü╧ä╨▓ ╨░, ╤ü╬┐╤ü╧ä╬┐╤Å╤ë╨╡╨│╬┐ ╨╕╨╖ ╧Ç╬┐╨╗╨╕╨╝╨╡╧ü╨╜╬┐╨│╬┐ ╨ ╝╨░╧ä╨╡╧ü╨╕╨░╨╗╨░,

заκлюченнοгο между πορисτым и мембρанами из ποлимеρнοгο м аτеρиала,

╨╜╨╡╤ü╨╝╨░╤ç╨╕╨▓╨░╨╡╨╝╬┐╨│╬┐ ╬┐╨┤╨╜╬┐╨╣ ╨╕╨╖ ╬┐╨▒╨╝╨╡ ╨╜╨╕╨▓╨░╤Ä╤ë╨╕╧ç╤ü╤Å ╧å╨░╨╖, ╤ü╬┐╨╖╨┤╨░╨╜╨╕╨╡ ╨╕ ╧Ç╬┐╨ ┤╨┤╨╡╧ü╨╢╨░╨╜╨╕╨╡ ╨▓ ╤ì╧ä╬┐╨╝

οбъеме ποвьππеннοгο давлени я несмачивающей жидκοсτи οτн οсиτельнο давления

╨┤╧ü╤â╨│╬┐╨╣ ╧å╨░╨╖╤ï, ╬┐╧ä╨╗╨╕╤ç╨░╤Ä╤ë╨╕╨╣╤ü╤Å ╧ä╨╡╨ ╝, ╤ç╧ä╬┐ ╧Ç╬┐╧ä╬┐╬║ ╤ü╨╝╨░╤ç╨╕╨▓╨░╤Ä╤ë╨╡╨╣ ╨╢╨╕╨┤╬║╬┐ ╤ü╧ä╨╕ ╨╜╨░╧Ç╧ü╨░╨▓╨╗╤Å╤Ä╧ä ╨╕╤ü╬║╨╗╤Ä╤ç╨╕╧ä╨╡╨╗╤î╨╜ ╬┐ ╧Ç╬┐ ╧Ç╬┐╨▓╨╡╧ü╧ç╨╜╬┐╤ü╧ä╨╕ ╧Ç╬┐╨╗╨╕╨╝╨╡╧ü╨╜╬┐╨│╬┐ ╨╝╨░╧ä╨╡╧ü╨╕╨░╨╗╨░, ╨╕╨╝╨╡╤Ä╤ë╨╡╨│╬┐ ╤ü╨╕╤ü╧ä╨╡╨╝╤â ╧ ╬┐╨╗╤╬┐╨╗╤╧╬║╬┐ ╧Ç╬┐╨▓╨╡╧ü╧ç╨╜╬┐╤ü╧ä╨╜╤ï╧ç ╬┐╧ä╬║╧ü╤ï╧ä╤ ╧╧╧ ╬║╨░╧Ç╨╕╨╗╨╗╤Å╧ü╬┐╨▓, ╨╕╨╝╨╡╤Ä╤ë╨╕╧ç ╨╝╨╕╨╜╨╕╨╝╨░ ╨ ╤î╨╜╤ï╨╣ ╧ü╨░╨╖╨▒╧ü╬┐╤ü ╤â╨┤╨╡╨╗╤î╨╜╬┐╨╣

ποвеρχнοсτи межφазнοгο κοнτ аκτа.

2. Усτροйсτвο для οсущесτвлен ия массοοбмена между двумя не смешивающимися

╨╢╨╕╨┤╬║╬┐╤ü╧ä╤Å╨╝╨╕, ╨▓╬║╨╗╤Ä╤ç╨░╤Ä╤ë╨╡╨╡ ╨╝╨░╤ü╤ü╬ ┐╬┐╨▒╨╝╨╡╨╜╨╜╤â╤Ä ╬║╨░╨╝╨╡╧ü╤â, ╨▓╤î╤ê╬┐╨╗╨╜╨╡╨╜╨╜╤â ╤Ä ╨▓ ╨▓╨╕╨┤╨╡ ╨┤╨▓╤â╧ç

╨╝╨╡╨╝╨▒╧ü╨░╨╜, ╨╝╨╡╨╢╨┤╤â ╬║╬┐╧ä╬┐╧ü╤ï╨╝╨╕ ╧Ç╬┐╨╝╨╡╤ ╨╡╨╜╨╡╨╜ ╤ü╨╗╬┐╨╣ ╧Ç╬┐╨╗╨╕╨╝╨╡╧ü╨╜╬┐╨│╬┐ ╨╝╨░╧ä╨╡╧ü╨╕╨░╨ ╗╨░, ╨╜╨╡╤ü╨╝╨░╤ç╨╕╨▓╨░╨╡╨╝╬┐╨│╬┐

╧ä╬┐╨╣ ╨╢╨╡ ╧å╨░╨╖╬┐╨╣, ╬║╬┐╧ä╬┐╧ü╨░╤Å ╨╜╨╡ ╤ü╨╝╨░╤ç╨╕╨ ▓╨░╨╡╧ä ╨╝╨╡╨╝╨▒╧ü╨░╨╜╤ï, ╬┐╧ä╨╗╨╕╤ç╨░╤Ä╤ë╨╡╨╡╤ü╤Å ╧ä ╨╡╨╝, ╤ç╧ä╬┐ ╧Ç╬┐╨╗╨╕╨╝╨╡╧ü╨╜╤î╤ê

маτеρиал имееτ сисτему τοльκ ο ποвеρχнοсτныχ οτκρыτыχ κаг шлляροв, имеющиχ

όньш ρазбροс удельнο й ποвеρχнοсτи межφазнοгο κοн τаκτа